{"id":"F2006B10914","name":"AD/JETSTREAM/45 Amdt 1 - Power Lever Control Cables","slug":"ad-jetstream-45-amdt-1-power-lever-control-cables","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56456,"registerId":"commonwealth-F2006B10914-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/JETSTREAM/45 Amdt 1 - Power Lever Control Cables","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBritish Aerospace BAe 3100 (Jetstream) Series Aeroplanes\n\nAD/JETSTREAM/45\n\nAmdt 1\n\n  \nPower Lever Control Cables 3/95\n\nApplicability: All HP137 Mk1, Jetstream Series 200, Jetstream Series 3100; and Jetstream Series 3200 with constructors numbers 790 through 960.\n\nRequirement: Action in accordance with BAe Mandatory ASB 76-A-JA 910542.\n\nNote: Compliance with BAe SB 76-JA 911042 constitutes terminating action for the Requirement of this Directive.\n\nCompliance: As specified in the Requirement Document, until compliance with BAe SB 76-JA 911042. This Amendment is effective from 2 March 1995.\n\nBackground: Cases were reported of failures of the power lever control cable during engine ground runs. The UK CAA found it necessary to introduce a life limitation on the affected cables.\n\nAmendment 1 is issued to align this Directive with the manufacturer’s optional terminating action.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":true,"description":"Amendment 1 modifies the Directive’s operational scope by formally aligning it with the manufacturer’s optional terminating action (BAe SB 76-JA 911042). The original Directive required action under BAe Mandatory ASB 76-A-JA 910542; the Amendment recognises that compliance with the SB will terminate the AD requirement for an operator (\"Note: Compliance with BAe SB 76-JA 911042 constitutes terminating action for the Requirement of this Directive\"; \"Amendment 1 is issued to align this Directive with the manufacturer’s optional terminating action\")."},"complexity_factors":["Cross-reference to external technical documents (BAe Mandatory ASB 76-A-JA 910542 and BAe SB 76-JA 911042) rather than containing full technical detail in the AD itself (\"Requirement: ...\"; \"Note: ...\").","Applicability limited by aircraft type and a specific constructor number range for one series, requiring fleet-level identification (\"Applicability: ... constructors numbers 790 through 960\").","Presence of a manufacturer 'terminating action' option that changes ongoing obligations and creates an operator choice (\"Note: Compliance with BAe SB 76-JA 911042 constitutes terminating action\").","Interaction with another regulator's measure (UK CAA life limitation) cited in Background, indicating multi-jurisdictional regulatory drivers and technical safety basis (\"Background: ... The UK CAA found it necessary to introduce a life limitation ...\").","Short, terse text that makes implementation dependent on reading and applying separate BAe service documents, increasing administrative steps to determine actual tasks, intervals and costs (\"Requirement\"; \"Compliance\")."],"plain_english_summary":"This AD requires operators of specified Jetstream HP137 Mk1/Series 200/3100/3200 (constructor nos. 790–960) to carry out the actions in BAe Mandatory ASB 76‑A‑JA 910542 from 2 March 1995, with costs borne by operators.\n\nIssued after reported power‑lever control‑cable failures and a UK CAA life limitation, the AD stays in force until an operator implements BAe SB 76‑JA 911042, which the manufacturer states is terminating action."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment is a minor technical update to align with manufacturer documentation. It does not expand the scope beyond the original safety purpose of addressing power lever control cable failures."},"complexity_factors":["Very short document (under 200 words)","Only 4 defined elements: applicability, requirement, note, and compliance","Single cross-reference to manufacturer service bulletins (ASB 76-A-JA 910542 and SB 76-JA 911042)","No nested conditions or exceptions — straightforward 'do this until you do that' structure","Minimal legislative machinery — operates as a schedule item under Civil Aviation Regulations Part 39"],"plain_english_summary":"This is an **Airworthiness Directive** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) that requires specific maintenance actions on certain aircraft.\n\n**What it does:**\n- Requires owners and operators of specific British Aerospace Jetstream aircraft to inspect or replace power lever control cables (the cables that connect the pilot's throttle controls to the engines)\n- These cables must be inspected or replaced according to the manufacturer's mandatory service bulletin (BAe Mandatory ASB 76-A-JA 910542)\n- Once operators install an improved cable design per BAe SB 76-JA 911042, they no longer need to keep doing the inspections\n\n**Who it affects:**\n- Owners and operators of:\n  - HP137 Mk1 aircraft\n  - Jetstream Series 200, 3100, and 3200 aircraft with serial numbers 790 through 960\n\n**Why it matters:**\n- The UK aviation regulator discovered these control cables were failing during engine ground runs — a serious safety risk since broken throttle cables could mean pilots cannot control engine power\n- This directive prevents accidents by forcing operators to either regularly inspect these cables or upgrade to improved ones\n- **Amendment 1** simply updates the original 1995 directive to recognize the manufacturer's improved replacement cables as a permanent fix"}},"importantCases":[],"_links":{"self":"/api/acts/ad-jetstream-45-amdt-1-power-lever-control-cables","history":"/api/acts/ad-jetstream-45-amdt-1-power-lever-control-cables/history","analysis":"/api/acts/ad-jetstream-45-amdt-1-power-lever-control-cables/analysis","conflicts":"/api/acts/ad-jetstream-45-amdt-1-power-lever-control-cables/conflicts","importantCases":"/api/acts/ad-jetstream-45-amdt-1-power-lever-control-cables/important-cases","documents":"/api/acts/ad-jetstream-45-amdt-1-power-lever-control-cables/documents"}}